Upper for a shoe



FIG. 1 is a perspective view of an upper for a shoe in accordance with my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a back view thereof.

The broken lines show environmental structures as well as portions of the upper for a shoe that form no part of the claimed design. 

CLAIM The ornamental design for an upper for a shoe, as shown and described. 